/* 公共样式 */
html,body,ul,li,img,a,p,div,form,input{
    padding: 0;
    margin: 0; 
    box-sizing: border-box;
    /* 去除移动端特有点击高亮的效果 */
    -webkit-tap-highlight-color:transparent; 
}
body {
    font-family: "微软雅黑",sans-serif;
    font-size: 13px;
}
a,a:hover {
    text-decoration: none;
    color: #666;
}
ul {
    list-style-type: none;
}
input{
    /* 清除文本框获取焦点时默认的边框阴影 */
    outline: none;
    /* 清除边框 */
    border: none;
    /* 添加边框 */
    border: 1px solid #ccc;
}
.f_left {
    float: left;
}
.f_right {
    float: right;
}
.m_left10 {
    margin-left: 10px;
}
.m_right10 {
    margin-right: 10px;
}
.m_top10 {
    margin-top: 10px;
}
.m_bottom10 {
    margin-bottom: 10px;
}
.clearfix::before,
.clearfix::after {
    content: "";
    display: block;
    height: 0;
    line-height: 0px;
    clear: both;
    visibility: hidden;
}
.b_left {
    border-left: 1px solid #ccc;
}
.b_bottom {
    border-bottom: 1px solid #ccc;
}
.b_top {
    border-top: 1px solid #ccc;
}
.b_right {
    border-right: 1px solid #ccc;
}


/* 1. 样式重置 */


/* 2. 添加新的样式 */